MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5693b238c29b2894b4bc466f57b135f9201f664cbf8b5695fe632eeb602bb3be. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5693b238c29b2894b4bc466f57b135f9201f664cbf8b5695fe632eeb602bb3be
SHA3-384 hash: 97eae583e728f606fb5797bc4506106507ebf8f4ce146131e8283fb612b8736c5db669acd18f3f2687def37c33c9e2e5
SHA1 hash: b6a4cf5bd27c3e25e6a7fcb7bf9ac64a1fad8708
MD5 hash: 466bf431aaf78d11e35bb0b4d2bf1fe0
humanhash: oxygen-asparagus-twelve-california
File name:Custom Duty invoice & its clearance documents.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:811'008 bytes
First seen:2021-09-07 05:13:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Ey1bnEu1EXCdEKoTa2UizZ2mFUbQfVUnt:dyXAoTa2UU24UbQ0t
Threatray 9'033 similar samples on MalwareBazaar
TLSH T1CC050D3E18FEA3279965C7A9CBE04513B5B0B8FF313AE9685BD257164313A4634C312E
dhash icon 1f185b7767535b47 (14 x AgentTesla, 5 x Formbook, 1 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Custom Duty invoice & its clearance documents.exe
Verdict:
Malicious activity
Analysis date:
2021-09-07 05:15:48 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/e4cac074-b10e-4487-ab97-f7d50af7f5ea

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/185794/
Detection(s):
SecuriteInfo.com.AgentTesla-FDCV466BF431AAF7.23981.8996.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Deleting a recently created file
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5d44d4f8-f58e-40f6-b507-1fdef6887583
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/846234
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 478665 Sample: Custom Duty invoice & its c... Startdate: 07/09/2021 Architecture: WINDOWS Score: 100 39 www.laurastormclaim.com 2->39 41 laurastormclaim.com 2->41 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 12 other signatures 2->55 11 Custom Duty invoice & its clearance documents.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\VhLbssfXYPp.exe, PE32 11->33 dropped 35 C:\Users\user\AppData\Local\...\tmpCFC6.tmp, XML 11->35 dropped 37 Custom Duty invoic...e documents.exe.log, ASCII 11->37 dropped 69 Injects a PE file into a foreign processes 11->69 15 Custom Duty invoice & its clearance documents.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 43 www.ziddstudio.com 185.165.123.36, 49721, 80 VARITI-ASRU Russian Federation 20->43 45 www.eiglebanon.xyz 72.52.178.23, 49717, 80 LIQUIDWEBUS United States 20->45 47 9 other IPs or domains 20->47 57 System process connects to network (likely due to code injection or exploit) 20->57 59 Performs DNS queries to domains with low reputation 20->59 26 systray.exe 20->26         started        signatures11 process12 signatures13 61 Self deletion via cmd delete 26->61 63 Modifies the context of a thread in another process (thread injection) 26->63 65 Maps a DLL or memory area into another process 26->65 67 Tries to detect virtualization through RDTSC time measurements 26->67 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5693b238c29b2894b4bc466f57b135f9201f664cbf8b5695fe632eeb602bb3be/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-07 04:30:12 UTC
AV detection:
8 of 43 (18.60%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k2j3eogctmujjnf4izxvpmjv7eqb6zsmx6fvnfp6mmxowyblwo7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0f09b5a5ad2bf792ed543e2b170d969e40591157ed92b5766c3cc3ab7deb2df1
Formbook
57245d791290c103ec19da5f45132f22cea4f65f7d4302acd6e0948ddc7cdf76
Formbook
6b7bd383f832bdf845fc7632d277abef4c35815afd1c285102d63cd9dcc7d466
Formbook
aadd085a8b6cb80d3cf5375619ec3a498673707bd9ae3f5cf53eeb7c089c3c65
Formbook
abb1db77386f0eb3cd2c68603ee8817d6d1015287422182845345dad70503564
Formbook
b36a2901bfafd8723bfddd0388f65b0a46237b063ca33edbf773bb589f929981
Formbook
ba02b1ff767d07fbcd13529b70ce92a08238ef31bdfc4058b23023fc8176d26b
Formbook
d86dafa5f676c411da4770e51dd034590dbe6dbac01ca90e0c5015a17b363b75
Formbook
f1b2b93992ab956883815e6fea926d282fc3a423675fa1faf5ffb6cbb2ddbedb
Formbook
+ 9'023 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:c56n loader rat
Link:
https://tria.ge/reports/210907-fwz1qabha9/
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.eiglebanon.xyz/c56n/
Unpacked files
SH256 hash:
fb1d6c7e514440e5d6ada88886226c85edd754a684ca4fbbbb43e4bc0cd623dc
MD5 hash:
a6952b7a324fdbf9fd97c98b80195bbb
SHA1 hash:
3cdb867ad87347a53e7a042681051c0c2acfa0e1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3fb7568a-1366-4a3d-a7a4-ce2594390082/
SH256 hash:
c1004db6e6e574227695dc57bb26b6b0520aa9e19ee300d55867e98f7ce08c04
MD5 hash:
5bff631e91e1e07863cbf440f63abfb7
SHA1 hash:
c26c9efe20933642f0f7201e8117404db8b0a7c0
Link:
https://www.unpac.me/results/3fb7568a-1366-4a3d-a7a4-ce2594390082/
SH256 hash:
81f9eac76804c02f5baaa34c91b5775f965a34ad7811218d9c24e50cb6d9a90c
MD5 hash:
bae511742374b721136acaa03b0c1fa0
SHA1 hash:
215c50455b01a78ea173bbb034ddbe4b452ea734
Link:
https://www.unpac.me/results/3fb7568a-1366-4a3d-a7a4-ce2594390082/
SH256 hash:
5693b238c29b2894b4bc466f57b135f9201f664cbf8b5695fe632eeb602bb3be
MD5 hash:
466bf431aaf78d11e35bb0b4d2bf1fe0
SHA1 hash:
b6a4cf5bd27c3e25e6a7fcb7bf9ac64a1fad8708
Link:
https://www.unpac.me/results/3fb7568a-1366-4a3d-a7a4-ce2594390082/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5693b238c29b2894b4bc466f57b135f9201f664cbf8b5695fe632eeb602bb3be

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 5693b238c29b2894b4bc466f57b135f9201f664cbf8b5695fe632eeb602bb3be

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/185794/

Comments